body,
html{
    margin:0;
    padding:0;
    height:100%;
}
@media only screen and (max-width:1080px), only screen and (max-device-width:1080px) {
    html,body {
        font-size:54px;
    }
}
@media only screen and (max-width: 960px), only screen and (max-device-width: 960px) {
    html,body {
        font-size:48px;
    }
}
@media only screen and (max-width: 800px), only screen and (max-device-width: 800px) {
    html,body {
        font-size:40px;
    }
}
@media only screen and (max-width: 720px), only screen and (max-device-width: 720px) {
    html,body {
        font-size:36px;
    }
}
@media only screen and (max-width: 640px), only screen and (max-device-width: 640px) {
    html,body {
        font-size:32px;
    }
}
@media only screen and (max-width: 600px), only screen and (max-device-width: 600px) {
    html,body {
        font-size:30px;
    }
}
@media only screen and (max-width: 480px), only screen and (max-device-width: 480px) {
    html,body {
        font-size:24px;
    }
}
@media only screen and (max-width: 414px), only screen and (max-device-width: 414px) {
    html,body {
        font-size:20.7px;
    }
}
@media only screen and (max-width: 400px), only screen and (max-device-width: 400px) {
    html,body {
        font-size:20px;
    }
}
@media only screen and (max-width: 375px), only screen and (max-device-width: 375px) {
    html,body {
        font-size:18.75px;
    }
}
@media only screen and (max-width: 360px), only screen and (max-device-width: 360px) {
    html,body {
        font-size:18px;
    }
}
@media only screen and (max-width: 320px), only screen and (max-device-width: 320px) {
    html,body {
        font-size:16px;
    }
}
@media only screen and (max-width: 240px), only screen and (max-device-width: 240px) {
    html,body {
        font-size:12px;
    }
}